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A bumper car with mass m1 = 102 kg is moving to the right with a velocity of v1 = 4.9 m/s. A second bumper car with mass m2 = 90 kg is moving to the left with a velocity of v2 = -3.3 m/s. The two cars have an elastic collision. Assume the surface is frictionless.
What is the velocity of the center of mass of the system?
What is the initial velocity of car 1 in the center-of-mass reference frame?
What is the final velocity of car 1 in the center-of-mass reference frame?
What is the final velocity of car 1 in the ground (original) reference frame?
What is the final velocity of car 2 in the ground (original) reference frame?
In a new (inelastic) collision, the same two bumper cars with the same initial velocities now latch together as they collide.
What is the final speed of the two bumper cars after the collision?
A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the crowd hopes the ball will clear the crossbar, By how much does the ball clear or fall short of clearing the crossbar
A small block with a mass of 0.120kg is attached to a cord passing through a hole in a frictionless, horizontal surface. The block is originally revolving at a distance of 0.50 m from the hole with a speed of 0.70m/s. The cord is then pulled from ..
Find the position of an object in front of a screen to obtain an image of size twice larger than its original size on the screen.
A block with mass m = 4 kg is sitting on the ground and not moving. The acceleration due to gravity is g = 9.81 m/s2. Please answer the following questions.
How much work must be done on the electron to move it to negative plate if it is initially positioned 2.86 mm from the positive plate.
As light with a frequency of 4.286 x 10^14 Hz passes from air into a diamond, its speed v is 0.413 time in air is the same as the speed in vacuum which c= 3.0 x10^8, Calculate the value of wavelenghth of the light in air
A sphere of mass M is supported by a string that passes over a pulley at the end of a horizontal rod of length L, Find the mass of the portion of the string above the rod
solve a 0.880 mev photon is scattered by a free electron such that the scattering angles of the electron and photons are equal. Determine the angles?
A spring oscillator is designed with a mass of 0.258 kg. It operates while immersed in a damping fluid, selected so that the oscillation amplitude will decrease to 1.00% of its initial value in 8.34 s
In 0.181s, through a distance of 8.05 m, a test pilot's speed decreases from 88.9m/s to 0m/s. If the pilot's mass is 70 kg, how much work is done against his body.
Four particles, one at each of the four corners of a square with 3m-long edges, are connected by massless rods. The masses of the particles are m1 = m3 = 4kg and m2 = m4 = 5kg. Determine the moment of inertia of the system about the z axis.
A rope, under a tension of 294 N and fixed at both ends, oscillates in a second-harmonic standing wave pattern, find the length of the rope and the speed of the waves on the rope
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